Preh Gmbh

Preh-werke Gmbh Co. Kg

Harald Schelbert

Martin Jeitner

Andreas Kramlich

Haiko Glienicke

Volker Gessner

Thomas Gutbrod

Dirk Vormann

An ambient light sensor system is provided for sensing ambient light and light in the area in front of a motor vehicle, wherein the ambient light sensor system includes a light guide element arranged behind a transparent surface of the motor vehicle and at least two sensors arranged on the light guide element.

Device for detecting ambient light and light in the area in front of a motor vehicle

A control knob for use in a motor vehicle is provided, having a hub for attachment of the control knob to a shaft, a torsion-proof part, a rotatable part, a rotation angle sensor, means for generating rotary haptics, and an electronic system by means of which the components, located in the control knob, can be controlled and the signals of the sensors can be evaluated and via which the control knob can be connected to the on-board electronics of the motor vehicle.

Control knob having integrated functionality

A fastening spring that includes a tolerance zone and a restraint zone. The tolerance zone has a steep incline and the adjoining restraint zone has a flat incline. This allows for tolerance compensation that is increased by the disassembly strength. Furthermore, the fastening spring can be easily manufactured and allows for a damage-free disassembly and assembly of a first component into a second component.

Fastening spring

Growing community of inventors

Bad Koenigshofen, Germany

Harald Schelbert